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High solids content for reduced VOC emissions and improved coating efficiency.
Excellent UV resistance and long-term gloss retention in exterior applications.
Good compatibility with common crosslinkers including melamine and polyisocyanates.
Superior flow and leveling characteristics for high-appearance finishes.
Enhanced hydrolytic stability for consistent performance in humid or demanding environments.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
Architectural high-performance topcoats for aluminum and steel cladding.
Plastic coatings requiring adhesion and flexibility on ABS and PC substrates.
General-purpose high-gloss decorative coatings for appliances and furniture.
| Chemical Type | Thermosetting acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to colorless liquid |
| Solvent System | Aromatic-free, low-VOC solvent blend |
| Solids Content (wt%) | 75 ± 1% |
| Acid Value (mg KOH/g) | 8–12 |
| Viscosity (mPa·s, 25°C) | 1,200–1,800 |
| Primary Applications | High-performance automotive and industrial coatings |
Q1: What is the primary function of Dow AU-750 Acrylic Resin in coating formulations?
A: Dow AU-750 is a solution-grade acrylic resin designed primarily as a film-forming binder and rheology modifier in high-performance industrial and protective coatings. It contributes to gloss retention, substrate adhesion, and improved flow/leveling without significantly increasing VOC content.
Q2: Is Dow AU-750 compatible with common crosslinkers used in thermosetting systems?
A: Yes, Dow AU-750 contains hydroxyl functionality and is formulated for compatibility with standard amino resins (e.g., melamine-formaldehyde), isocyanates, and other common crosslinkers in baked or ambient-cure systems. Compatibility and cure response should be verified experimentally within the target formulation matrix.
Q3: How does Dow AU-750 differ from typical emulsion-based acrylics?
A: Unlike waterborne emulsions, Dow AU-750 is supplied as a solvent-based solution, offering higher solids content, faster solvent release, and enhanced compatibility with solvent-borne resins and pigments. This makes it particularly suitable for high-solids coatings and applications requiring rapid film formation and low-migration characteristics.
Q4: What solvents are recommended for diluting or processing Dow AU-750?
A: Dow AU-750 is readily soluble in common organic solvents including aromatic hydrocarbons (e.g., xylene, Solvesso™ grades), ketones (e.g., MEK, MIBK), and esters (e.g., butyl acetate). Selection should consider evaporation rate, safety profile, and compatibility with other formulation components.
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